C++ Function by Refrence (Passing Parameters by reference)

[HNPFL]

I have an issue concerning passing variables by reference. I have some code for you C++ experts to look at. I have seemed to narrow down all the conventional errors and I am left with only 2 of them. The first is:

 839 error LNK2019: unresolved external symbol "void __cdecl getMinutes(void)" (?getMinutes@@YAXXZ) referenced in function _main

and the second is:

839 fatal error LNK1120: 1 unresolved externals

The assignment is to do some calculations of hours and minuets but I just need to be able to pass variables first. And the error only occurs when I call the "getMinuets" function, but I have the "getHours" function working fine.

heres the full code:

#include 
#include 
#include 

using namespace std;

// prototype functions

void getHours (int &bhours, string);
void getMinutes (); //int &bmin, string
//void calcTotalTime (int &thours, int &gmin, int &ghours, int &tmin);
//bool isValidMinutes ();
//bool isValidHours();

int main()
{

       //Declare Vars
//       int shours, smin, ehours, emin, hours, minuets;
	int shours = 0;
	int smin = 0;

       /////////////////////////////////////// Call Functions / get input

     getHours(shours, "Enter Start Hours: ");
     getMinutes(); // smin, "Enter Start Minutes: "

//   getHours (ehours, "Enter End Hours: ");
       //getMinutes (emin,  "Enter End Minuets: ");
   //calcTotalTime (shours, smin, ehours, emin);

       //output
//      cout << "The total time is " << hours << " hours and " << minuets << " minutes." << endl;

system("pause");
return 0;
}

void getHours(int &shours, string display)
{
       bool validinput = false;
   int starthours;

      do
      {
            cout << display ;
            cin >> starthours ;

                        if (!(starthours > 0 && starthours < 24 )){

                   cout << "Hours must be at least 0, and no more than 23" << endl ;

                        }else{
                   validinput = true ;
                        }

          } while (validinput == false) ;

}

void getMinuets() //int &smin, string display
{
/*
       bool validinput = false;
       int startminuets;

      do
      {
            cout << display;
            cin >> startminuets;

                        if (!(startminuets > 0 && startminuets < 24 )){

							cout << "Minuets must be at least 0, and no more than 23" << endl ;

                        }else{

							validinput = true ;
                        }

        } while (validinput == false) ;
*/

}

void calcTotalTime(int &shours, int &smin, int &ehours, int &emin)
{

}

[mattg2k4]

In the function prototypes you spell it "getMinutes", but when you define it you misspell it as "getMinuets".

Also, there is no reason that I can use to pass variables by reference, I would use a return statement to make the code read a bit easier.

And just a suggestion, if you are going to have a display string in the parameters of those "get" functions, you could generalize even further and add a minimum and maximum input range and have a generic "int getInteger(string prompt, int min, int max)", or something like that.

[HNPFL]

I'm embarrassed.. Thanks for replying to my post. I'm doing my project like this because it is an assignment to use pass by refrence. Thank you very much.